USDA zone 5b through 9b. Can be used for cut flower, garden, hedge, landscape, pillar or shrub. Hardy. vigorous. a good subject for pegging. can be grown as a shrub. can be trained as a climber. rain tolerant. shade tolerant. suitable for a pillar. Disease susceptibility: disease resistant. Remove spent blooms to encourage re-bloom. Prune lightly or not at all.